Langelier may refer to:
Places a former name of Québec (electoral district), a federal electoral district in Canada Langelier, Quebec, renamed to (the municipality of) La Croche in 1999 Langelier (Montreal Metro), a station on the Montreal Metro (subway) 33 Langelier, a bus route in Montreal Carrefour Langelier, a shopping mall in Montreal
Other uses Langelier (surname) Langelier Saturation Index, a measure of the calcium carbonate stability of water The Langoliers, a novella and miniseries written by Stephen King